Marshall Patrick Stagg II, MD
NPI 1841281573ActiveIndividual· Internal Medicine, Hematology & Oncology· Baton Rouge, LA
Internal Medicine, Hematology & Oncology (MD) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $2,802,100 for 957 claims, against $22,683 paid for services in 2024. Abbvie Inc. was the largest of 38 companies reporting payments in 2025, $6,615 in all, mostly food and beverage.
Overview
| NPI | 1841281573 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Apr 7, 2022 |
| Certified by provider | Apr 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 019154 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 522 across 7 procedure codes |
| Paid by Medicare | $22,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 957 · 1,211 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $2,802,100 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
Hospital affiliation
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$6,615 · 154 payments from 38 companies
- 2024$4,856 · 154 payments from 39 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,653 | 3 |
| Novartis Pharmaceuticals Corporation | $1,294 | 27 |
| Astrazeneca Pharmaceuticals LP | $501.75 | 14 |
| Janssen Biotech, Inc. | $476.06 | 13 |
| Regeneron Pharmaceuticals, Inc. | $320.61 | 4 |
What the 2025 payments were for
- Food and Beverage$3,973 · 139 payments
- Consulting Fee$1,500 · 1 payment
- Long term medical supply or device loan$999.96 · 12 payments
- Education$142.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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